| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/19/2011 | CN201717181U High voltage vacuum circuit breaker |
| 01/19/2011 | CN201717180U High-pressure vacuum switch |
| 01/19/2011 | CN201717179U Support member in high-voltage vacuum circuit breaker |
| 01/19/2011 | CN201717178U Novel indoor high-voltage vacuum load switch-fuse combined electrical apparatus |
| 01/19/2011 | CN201717177U Switch air chamber provided with insulation protection connecting terminal |
| 01/19/2011 | CN201717176U Gas chamber of switch |
| 01/19/2011 | CN201717175U High-voltage load switch arc-extinguishing chamber provided with contact shielding cover |
| 01/19/2011 | CN201717174U Electronic and electromagnetic type intelligent switch |
| 01/19/2011 | CN1862742B Gas insulating switch device |
| 01/19/2011 | CN101952921A Interrupter arrangement having a movable switching tube |
| 01/19/2011 | CN101952920A Vacuum power switch |
| 01/19/2011 | CN101950704A AC high-voltage vacuum circuit breaker |
| 01/19/2011 | CN101552145B Closing keeping device for spring operation mechanism |
| 01/13/2011 | WO2011003719A1 Vacuum switching tube |
| 01/13/2011 | US20110006041 Contact for a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker or vacuum circuit-breaker, such as an ac generator disconnector circuit-breaker |
| 01/13/2011 | US20110005906 Apparatus for controllilng electrical switchgear |
| 01/13/2011 | DE102009031598A1 Vakuumschaltröhre Vacuum interrupter |
| 01/13/2011 | CA2767224A1 Vacuum interrupter |
| 01/12/2011 | EP2273525A1 High voltage switch |
| 01/12/2011 | EP2272074A1 Electric cut-off device with augmented visibility |
| 01/12/2011 | CN201708082U High-voltage link insulator |
| 01/12/2011 | CN201708081U Vacuum arc extinction mechanism for enhancing electric insulation performance |
| 01/12/2011 | CN201708080U Extra-high-voltage isolating switch on-off great-parameter bus switching current device |
| 01/12/2011 | CN201708079U High voltage vacuum circuit breaker mechanism |
| 01/12/2011 | CN201708078U Vacuum arc extinguishing pole post for high-voltage vacuum circuit breaker |
| 01/12/2011 | CN201708077U Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch |
| 01/12/2011 | CN101946288A Weakly conducting nozzle for a gas circuit breaker and ptfe based material therefore |
| 01/12/2011 | CN101944456A Energy storage mechanism of vacuum circuit breaker |
| 01/12/2011 | CN101944445A Switching appliance for AC circuit |
| 01/12/2011 | CN101383238B Intelligent duplicate power supply switching device |
| 01/12/2011 | CN101359557B Vacuum switch contact |
| 01/12/2011 | CN101359556B Vacuum switch contact |
| 01/12/2011 | CN101359552B Vacuum switch tube |
| 01/12/2011 | CN101359551B Vacuum switch tube |
| 01/12/2011 | CN101350506B Vacuum insulated switchgear |
| 01/11/2011 | US7868720 Hermetically sealed relay |
| 01/11/2011 | US7866031 Method of manufacturing a vacuum encapsulation having an empty chamber |
| 01/06/2011 | WO2011001624A1 Gas circuit breaker with reset ohmic contact, and method for resetting and tripping same |
| 01/06/2011 | WO2011000744A1 Multi-phase medium voltage contactor. |
| 01/06/2011 | US20110000887 Contact for a medium-voltage vacuum circuit-breaker with reinforced structure, and an associated circuit-breaker or vacuum circuit-breaker, such as an ac generator disconnector circuit-breaker |
| 01/06/2011 | US20110000886 Vacuum circuit breaker and gas-insulated switchgear using the same |
| 01/06/2011 | US20110000768 Switchgear and switchgear operating mechanism |
| 01/05/2011 | EP2270939A2 Gas insulated switching apparatus |
| 01/05/2011 | EP2270828A1 Relief mushroom valve intended for releasing a dielectric gas between two volumes of an interruptor tube of a high- or medium-voltage circuit breaker |
| 01/05/2011 | EP2270827A1 Vacuum circuit breaker |
| 01/05/2011 | EP2270823A1 Multi-phase medium voltage contactor |
| 01/05/2011 | EP2048682B1 Modular encapsulated electrical device for power distribution networks |
| 01/05/2011 | DE102007054860B4 Steuervorrichtung für ein Schaltgerät A control device for a switching device |
| 01/05/2011 | CN201698957U Vacuum circuit breaker based on rapid bidirectional electromagnetic repulsion mechanism |
| 01/05/2011 | CN201698956U High voltage vacuum circuit breaker employing permanent magnet operating mechanism |
| 01/05/2011 | CN201698955U Energy-storage mechanism of high-pressure vacuum switch |
| 01/05/2011 | CN201698954U Vacuum insulation breaker device |
| 01/05/2011 | CN201698953U 真空断路器 Vacuum Circuit Breaker |
| 01/05/2011 | CN201698952U 真空断路器 Vacuum Circuit Breaker |
| 01/05/2011 | CN201698951U Permanent magnetic vacuum circuit breaker |
| 01/05/2011 | CN201698950U Permanent-magnetic small-size vacuum circuit breaker of modularized ring main unit |
| 01/05/2011 | CN101938088A Compact intelligent sealed insulating permanent magnetic vacuum ring main unit |
| 01/05/2011 | CN101937793A Compact handcart type sealed insulating pole horizontal permanent magnetic vacuum breaker |
| 01/05/2011 | CN101936415A Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber |
| 01/04/2011 | US7864022 Wear indicator for a circuit interrupter exhaust control device |
| 01/04/2011 | US7863537 Gassing insulator assembly, and conductor assembly and electrical switching apparatus employing the same |
| 12/30/2010 | US20100326960 Vacuum Interrupter Switch For Power Distribution Systems |
| 12/30/2010 | US20100326959 Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part |
| 12/30/2010 | US20100326958 Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber |
| 12/30/2010 | CA2707781A1 Arc flash detection |
| 12/29/2010 | WO2010150599A1 Capacitor capacity diagnosis device and power equipment provided with a capacitor capacity diagnosis device |
| 12/29/2010 | WO2010150390A1 Gas insulated switchgear |
| 12/29/2010 | WO2010150389A1 Low-frequency breaker |
| 12/29/2010 | WO2010149486A1 High-voltage arrangement |
| 12/29/2010 | WO2010149482A2 High-voltage assembly |
| 12/29/2010 | CN201689826U Moving contact capable of absorbing air and extinguishing arc and air adsorption type arc extinguishing chamber |
| 12/29/2010 | CN201689825U Switching-on spring structure of vacuum circuit breaker |
| 12/29/2010 | CN201689824U ZN85-40.5 high-pressure vacuum circuit breaker transmission mechanism |
| 12/29/2010 | CN201689823U Permanent magnet operating mechanism of high-voltage vacuum circuit breaker |
| 12/29/2010 | CN201689822U Breaking part of high voltage switchgear, gas switchgear and gas insulated switchgear |
| 12/29/2010 | CN1892956B Electrical contacts for vacuum circuit breakers and methods of manufacturing the same |
| 12/29/2010 | CN101933109A Hydraulic spring-loaded drive |
| 12/29/2010 | CN101930871A Arc extinguish chamber with high current-carrying capability for high-voltage switch equipment |
| 12/29/2010 | CN101930870A Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
| 12/29/2010 | CN101930869A High-voltage vacuum breaker with contact temperature measurement function and temperature measurement method thereof |
| 12/29/2010 | CN101930868A Auxiliary arc extinction device of SF6 gas load switch |
| 12/29/2010 | CA2766334A1 High-voltage arrangement |
| 12/29/2010 | CA2766330A1 High-voltage assembly |
| 12/23/2010 | WO2010146829A1 Gas insulation apparatus |
| 12/23/2010 | DE102009020152B3 Isolierstoffgehäuse zur Aufnahme einer Vakuumschaltröhre und feststoffisolierter Schalterpol Insulated for receiving a vacuum interrupter and solid-insulated switch pole |
| 12/22/2010 | EP2264732A1 Contact for medium-voltage vacuum bulb with strengthened structure, vacuum bulb and circuit breaker, such as an associated alternator load-break switch |
| 12/22/2010 | EP2264731A1 Contact for medium-voltage vacuum bulb with improved arc cutting, vacuum bulb and circuit breaker, such as an associated alternator load-break switch |
| 12/22/2010 | CN201681758U Novel structure for fixing ceramic package and shielding cylinder of vacuum arc extinguish chamber |
| 12/22/2010 | CN201681757U Insulation and isolation cover device |
| 12/22/2010 | CN201681756U 高压真空接触器 High-voltage vacuum contactors |
| 12/22/2010 | CN201681755U 12/24kV full-closed medium-pressure vacuum switch |
| 12/22/2010 | CN201681754U Epoxy insulation sleeve |
| 12/22/2010 | CN101925972A Short-circuit device having pyrotechnic trigger |
| 12/22/2010 | CN101923985A Medium-voltage vacuum circuit-breaker and its electric contact, circuit-breaker including the same and its use |
| 12/22/2010 | CN101923984A Contact for medium-voltage vacuum bulb with strengthened structure, vacuum bulb and circuit breaker, such as an associated alternator load-break switch |
| 12/22/2010 | CN101923983A Coil and electrical contact and producing method thereof, and vacuum circuit breaker and usage thereof |
| 12/22/2010 | CN101923951A Improved switching mechanism of vacuum on-load tap changer |
| 12/22/2010 | CN101920364A Brazing method using a reactive brazing alloy and vacuum-tight vessels obtained |
| 12/22/2010 | CN101436472B Permanent magnet drive mechanism |
| 12/22/2010 | CN101048837B Switching chamber and heavy-duty circuit breaker |